秦相和李明主编的《机电类专业英语》是全国高等职业教育机电类“十二五”规划教材。本教材内容丰富，可分为三大部分：机械、机电和电子通信。全书共20单元，内容包括机械的基本概念、金属的分类、材料的特性、铸造、尺寸公差、计算机辅助设计、柔性制造、传感器的应用、信源编码与解码、可编程序逻辑控制器、伺服电机、电阻电容及电感器、三级真空管、数字电路、模拟电路、线性电路分析、常用电子测量工具、移动通信、网络电话技术、光纤通信。每个单元均设置了相关的习题，以巩固学生所学的知识。
《机电类专业英语》适合机电类专业的高职高专学生使用，同时也适用于计算机、自动化等相关专业的技术人员和本科学生自学与参考。

前言
Unit 1 Basic Concepts in Mechanics
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Unit 2 Classification of Metals
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Unit 3 Properties of Materials
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Unit 4 Casting
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Unit 5 Dimensional Tolerance
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Unit 6 Computer-Aided Design (CAD)
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Unit 7 Flexible Manufacturing
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Unit 8 Use of Sensors in Programmable Automation
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Unit 9 Source Encoder and Decoder
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Unit 10. Programmable Logic Controller
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Unit 11. Servo Motors
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Unit 12 Resistance, Capacitance and Inductance
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Unit 13 Triode
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Unit 14 Digital Circuit
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Unit 15 Analogue Circuit
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Unit 16 Linear Circuit Analysis
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Unit 17 Common Electronic Surveying Tools
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Unit 18 Mobile Telecommunication
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Unit 19 Internet Telephony and VoIP
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Unit 20 Optical Fiber Communications
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Answer
Unit 1
Unit 2
Unit 3
Unit 4
Unit 5
Unit 6
Unit 7
Unit 8
Unit 9
Unit 10
Unit 11
Unit 12
Unit 13
Unit 14
Unit 15
Unit 16
Unit 17
Unit 18
Unit 19
Unit 20
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